Home / 401,558.14-554,057.31-240,351.94

Finding the Fourth Proportional to 401,558.14, 554,057.31 and 240,351.94

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Solution

The fourth proportional to 401,558.14, 554,057.31 and 240,351.94 is: 331,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,558.14 : 554,057.31 = 240,351.94 : x
  2. Step 2: Convert to fraction form
    401,558.14/554,057.31 = 240,351.94/x
  3. Step 3: Cross multiply
    401,558.14x = 554,057.31 × 240,351.94
  4. Step 4: Simplify right side
    401,558.14x = 133,168,749,329.68
  5. Step 5: Solve for x
    x = 133,168,749,329.68/401,558.14
  6. Step 6: Final answer
    x = 331,630.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.